> On Jan 8, 2020, at 07:46 PM, Michael Stone <mst...@debian.org> wrote:
>
>> If you need to protect against an attacker willing to examine your HDD with
>> magnetic force microscopy, there is no substitute for physical destruction
>> of the media.
>
> Yes--if single-pass all-zeros erase isn't sufficient, the next step up is
> physical destruction, not multi-pass pattern mumbo-jumbo.
Back in the analog days, I worked at a college radio station that sent out
radio programs on tape. There was a big box that we passed a reel of tape over
to erase it. That box might do disks too :-)
Unless there was some magnetic magic written on the disk for the firmware.
--
Glenn English